Shereen Khan1
After her marriage, Shereen Khan was styled as Baroness Sinclair of Cleeve in 1997. From 1997, her married name became Sinclair.
- [S37] BP2003 volume 3, page 3630. See link for full details for this source. Hereinafter cited as. [S37]
Robert Dunbar Sinclair1 
He lived at Lybster, Caithness, Scotland.1
Children of Robert Dunbar Sinclair and Hannah Gunn
- John Sinclair+2
- Robert Henry Sinclair+3 b. 1 Jul 1851, d. 23 Oct 1923
- [S37] BP2003 volume 3, page 3630. See link for full details for this source. Hereinafter cited as. [S37]
- [S7626] Heather Buchanan, “re: Sinclair Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 26 June 2015. Hereinafter cited as “re: Sinclair Family.”
- [S37] BP2003. [S37]
Robert Gunn1
Child of Robert Gunn
- Hannah Gunn+2 d. 6 Jul 1908
Hannah Gunn1 
From 23 March 1848, her married name became Sinclair.
Children of Hannah Gunn and Robert Dunbar Sinclair
- John Sinclair+3
- Robert Henry Sinclair+2 b. 1 Jul 1851, d. 23 Oct 1923
- [S37] BP2003 volume 3, page 3630. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S7626] Heather Buchanan, “re: Sinclair Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 26 June 2015. Hereinafter cited as “re: Sinclair Family.”
Robert Henry Sinclair1 
He was director of James Finlay & Company Ltd, of Glasgow.1 He held the office of Justice of the Peace (J.P.)1
Child of Robert Henry Sinclair and Margaret Macwhannell
- Robert John Sinclair, 1st Baron Sinclair of Cleeve+2 b. 29 Jul 1893, d. 4 Mar 1979
John Macwhannell1
Child of John Macwhannell
- Margaret Macwhannell+2 d. Aug 1917
Margaret Macwhannell1 
From 26 February 1891, her married name became Sinclair.
Child of Margaret Macwhannell and Robert Henry Sinclair
- Robert John Sinclair, 1st Baron Sinclair of Cleeve+2 b. 29 Jul 1893, d. 4 Mar 1979
Robert John Sinclair, 1st Baron Sinclair of Cleeve1 
He was educated at Glasgow Academy, Glasgow, Lanarkshire, ScotlandG.1 He graduated from Oriel College, Oxford University, Oxford, Oxfordshire, England, in 1914 with a Bachelor of Arts (B.A.)1 He fought in the First World War.1 He fought in the Gallipoli Campaign in 1915, where he was wounded and was mentioned in dispatches.1 He gained the rank of Lieutenant in the 5th Battalion, King’s Own Scottish Borderers.1 He graduated from Oriel College, Oxford University, Oxford, Oxfordshire, England, in 1918 with a Master of Arts (M.A.)1 He was appointed Member, Order of the British Empire (M.B.E.) in 1918.1 He was with Imperial Tobacco Company between 1919 and 1959.1 He was Director-General for Army Requirements, War Office between 1939 and 1942.1 He was appointed Knight Commander, Order of the British Empire (K.B.E.) in 1941.1 He was Deputy for Ministry Production on Combined Production and Resources Board, Washington between 1942 and 1943.1 He was Chief Executive of Ministry of Production between 1943 and 1945.1 He was director of BAT between 1944 and 1964.1 He was appointed Knight Commander, Order of the Bath (K.C.B.) in 1946.1 He was chairman of Imperial Tobacco Company between 1947 and 1959.1 He held the office of High Sheriff of Somerset in 1951.1 He was created 1st Baron Sinclair of Cleeve, of Cleeve, co. Somerset [U.K.] on 22 January 1957.1
Children of Robert John Sinclair, 1st Baron Sinclair of Cleeve and Mary Shearer Barclay
- John Robert Kilgour Sinclair, 2nd Baron Sinclair of Cleeve+2 b. 3 Nov 1919, d. 1985
- David Barclay Sinclair2 b. 29 Jul 1922, d. 27 Oct 1942
Robert Shearer Barclay1
Child of Robert Shearer Barclay
Mary Shearer Barclay1
From 18 September 1917, her married name became Sinclair. After her marriage, Mary Shearer Barclay was styled as Baroness Sinclair of Cleeve on 22 January 1957.
Children of Mary Shearer Barclay and Robert John Sinclair, 1st Baron Sinclair of Cleeve
- John Robert Kilgour Sinclair, 2nd Baron Sinclair of Cleeve+2 b. 3 Nov 1919, d. 1985
- David Barclay Sinclair2 b. 29 Jul 1922, d. 27 Oct 1942
